Features:Dispense entire contents of Copper Amino Isolate Activator into Copper Amino Isolate Serum.Discard empty Activator bottle and shake the Serum bottle well for 30 seconds.Use twice daily.Recommended as a core NIOD regimen product to be used as the first step after cleansing before the application of other skin treatments.Please Note: Avoid contact with clothes and surfaces as the serum will stain.